Jeremie Berduck, Designer in Amsterdam, Netherlands
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Jeremie Berduck

Verified Expert  in Design


Amsterdam, Netherlands
Toptal Member Since
January 12, 2022

Jeremie is a senior product designer. He designs mobile apps from start to finish for iOS and Android platforms. Not only is he competent in all aspects of the design process, but he is also strong at communicating design intent verbally and visually. What makes Jeremie unique is a special blend of creativity and knowledge of technology, iOS development, and UI/UX.


Work Experience

Senior Mobile Product Designer

2021 - PRESENT
  • Designed and coded my own apps. Shared knowledge and experience in live videos and podcasts. Built a community around indie app development.
  • Worked on mobile product design as a consultant for corporations and startups.
  • Designed and created products from wireframe to a final product. Developed product roadmaps from a user perspective.
Technologies: Sketch, Figma, Audio, Videos, Final Cut Pro X, App UX, UX Tools, Web UX, UX Flows, Mobile UX, UX Design, Lean UX, Web App UX, UX Review, User Research, Swift 5, Swift, Xcode, Xcode Playgrounds, SwiftUI, Video Streaming, Twitch, YouTube, Podcasting, Adobe Experience Design (XD), Android, Annotated Wireframes, App Clips, App Development, Apple, Apple TV, Apple Watch, Apps, App Store Optimization (ASO), App UI, Mockups, Mobile Mockups, High-fidelity Mockups, Low-fidelity Mockups, Web Page Mockups, Wireframing, Wireframe to Product, UX Wireflows, User Flows, Prototyping, UI Design, Web Design, Web UX Design, System Design, Design Systems, User Experience (UX), Product Design, UX Roadmaps, Product Roadmaps

Senior Product Designer

2017 - 2021
  • Oversaw documenting and iterating our design system for four different products in five countries.
  • Collaborated closely with other designers, developers, and stakeholders.
  • Researched and leveraged customer insights to articulate design decisions to stakeholders.
  • Managed and led multiple projects at the same time.
  • Partnered with the marketing team and conducted two successful product rebranding.
  • Headed qualitative research studies in France, the Netherlands, and Germany.
  • Improved user conversion rates by over 10% and task time by over 30%.
Technologies: Sketch, Figma, Mobile UI, Mobile, Mobile UX, Mobile Apps, User Experience (UX), Adobe Experience Design (XD), User Research, User Retention, User Requirements, User Registration, Remote User Testing, User, Devices, DevOps, App UI, WatchOS, UI Design, UX Tools, iOS, iPad, Product Pages, iPhone, Apple TV, Apple, Android, UI Development, Web Design, Web UX, Web UX Design

UX Designer | Interaction Designer

2016 - 2017
User Intelligence
  • Worked closely with top brands, such as Adidas, Decathlon, and Elsevier.
  • Oversaw iterating and improving user experience based on user research.
  • Conducted internal training on mobile design specificities.
Technologies: Sketch, App UX, UI Design, UX Tools, Devices, iOS, iPad, Lean Startups, iPhone, Apple, Android, User Experience (UX), User Research, User Retention, User Requirements, User Registration, Remote User Testing, User, App UI, UI Development, Web UX, Web UX Design, Startups

Co-founder | Product Designer

2012 - 2016
One More Thing Studio
  • Built the company from scratch and hired ten employees within one year.
  • Attracted and collaborated with more than 60 early-stage startups.
  • Built and delivered more than 100 successful apps for both Android and iOS.
  • Retained over 90% of staff in over four years by promoting the inclusive company culture.
Technologies: Sketch, Photoshop CC, Illustrator CC, CSS, PHP, WordPress, Front-end, Devices, iOS, iPad, Startups, Lean Startups, Product Pages, iPhone, Apple TV, Apple, Android, WatchOS, UI Design, User Experience (UX), User Requirements, User Registration, User, DevOps, App UI, UI Development, Web Design, Web Development, Web UX, Web UX Design

Web Designer | Front-end Developer

2007 - 2012
  • Worked for several agencies in outsourced web design or front-end development.
  • Overhauled and redesigned the entire email communication process facilitating the workflow for faster release for Louis Vuitton.
  • Created the Facebook global communication graphic support for Accor Hotel Group.
Technologies: Photoshop CS5, Sketch, CSS, PHP, WordPress, Front-end, UI Development, Web Design, Web Development, Web UX, Web UX Design, UI Design, Illustrator CC, Photoshop CC, Startups, Lean Startups

IT Manager

1999 - 2007
  • Managed IT services for different clients, from hospitals to military health services in France.
  • Deployed information service servers and all required network security controls.
  • Managed a small team to handle all security requirements and provide opportunities for all team members to give their best.
Technologies: Windows Server, Windows NT, MacOS, Linux


Sketch, UX Tools, Figma, Adobe Experience Design (XD), Photoshop CS5, Photoshop CC, Illustrator CC, Xcode, Zeplin, Final Cut Pro X, Xcode Playgrounds


WatchOS, iOS, Apple, Mobile, tvOS, Apple TV, Android, Windows Server, MacOS, Linux, WordPress, Apple Watch, Twitch, YouTube


CSS, PHP, Converge, Swift


Mobile UX, Mobile Apps, Mobile UI, App UX, Apps, iPadOS, UI Design, Web Design, Devices, iPad, Product Pages, iPhone, User Requirements, App UI, Startups, Lean Startups, User Research, User Retention, User Registration, Remote User Testing, User, Mobile Web Design, Windows NT, Front-end, UI Development, Web Development, Web UX, Web UX Design, DevOps, SwiftUI, App Store Optimization (ASO), Wireframing, Wireframe to Product, Annotated Wireframes, WatchOS UI, Content, Social, Design Systems, System Design, Engineering, Management, Programming, UX Flows, DataViz, Voice, Siri, Smart Watches, Abstracts, App Development, UX Design, Buttons, Native Software, Apple Pay, Calendar Design, Booking UX, Booking, Booking Apps, UI Maps, Maps, Google Maps, Mobile Navigation, CarPlay, App Clips, Lean Experiments, Mobile Mockups, UX Prototyping, Prototyping, UI Prototyping, Design, Mockups, User Interface (UI), High-fidelity Mockups, Interior Design Mockups, Information Design, Low-fidelity Mockups, REST APIs, Audio, Videos, Lean UX, Web App UX, UX Review, Swift 5, Video Streaming, Podcasting, Web Page Mockups, UX Wireflows, User Flows, User Experience (UX), Product Design, UX Roadmaps, Product Roadmaps

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